Write and solve an addition or subtraction equation to find the missing angle measure
![Write and solve an addition or subtraction equation to find the missing angle measure class=](https://us-static.z-dn.net/files/dc7/e02cae73085a3703775ed0c94ee7566b.png)
Answer:
n + 50 = 90; n = 40
Step-by-step explanation:
the angle is a right angle so it adds up to 50
one side is 50
so
n + 50 = 90
subtract 50 to both sides
n = 40